1065862864 has 60 divisors (see below), whose sum is σ = 2276159872. Its totient is φ = 483151680.

The previous prime is 1065862771. The next prime is 1065862871. The reversal of 1065862864 is 4682685601.

It is a super-2 number, since 2×1065862864² = 2272127289708564992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1174699 + ... + 1175605.

Almost surely, 2^1065862864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1065862864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1138079936).

1065862864 is an abundant number, since it is smaller than the sum of its proper divisors (1210297008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1065862864 is a wasteful number, since it uses less digits than its factorization.

1065862864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 1065862864 is about 32647.5552530354. Note that the first 3 decimals coincide. The cubic root of 1065862864 is about 1021.4891947112.

The spelling of 1065862864 in words is "one billion, sixty-five million, eight hundred sixty-two thousand, eight hundred sixty-four".